API Degraded PerformanceOperational

Components

acme-v02.api.letsencrypt.org (Production), portal.letsencrypt.org (Production)

Locations

High Assurance Datacenter 1, High Assurance Datacenter 2


June 19, 2026 04:45 UTC
INVESTIGATING

We're operating normally, but with reduced redundancy. We continue to work with our upstream ISP to identify and resolve the issue.

June 18, 2026 16:35 UTC
INVESTIGATING

We re-routed traffic to bring success rates back to normal after an upstream network event disrupted traffic between two datacenters.

June 18, 2026 16:04 UTC
INVESTIGATING

Let's Encrypt's production API is experiencing degraded performance. Some clients may encounter 400 and 500 error responses. Most clients are still succeeding.

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